345335331 has 48 divisors (see below), whose sum is σ = 541924992. Its totient is φ = 194768640.

The previous prime is 345335323. The next prime is 345335351. The reversal of 345335331 is 133533543.

It is not a de Polignac number, because 345335331 - 2³ = 345335323 is a prime.

It is a super-2 number, since 2×345335331² = 238512981673759122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345335351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 660036 + ... + 660558.

It is an arithmetic number, because the mean of its divisors is an integer number (11290104).

Almost surely, 2^345335331 is an apocalyptic number.

345335331 is a deficient number, since it is larger than the sum of its proper divisors (196589661).

345335331 is a wasteful number, since it uses less digits than its factorization.

345335331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 661 counting only the distinct ones).

The product of its digits is 24300, while the sum is 30.

The square root of 345335331 is about 18583.2002356968. The cubic root of 345335331 is about 701.5850686314.

Adding to 345335331 its reverse (133533543), we get a palindrome (478868874).

The spelling of 345335331 in words is "three hundred forty-five million, three hundred thirty-five thousand, three hundred thirty-one".